I notice this was promised in version 6.1, but still hasn't been implemented. Many other stores have the ability to provide a digital download with each product, so until this is implemented we are stick using Shopify.

There are three issues:
Passwords are being sent in cleartext in an email
Generated passwords are not being forced to be changed on first login
Passwords do not have any form of forced complexity other than 7 character length (I tested with the same character 7 times and it was accepted).